Loudspeaker



FIG. 1 is a top, front, and right side perspective view of a loudspeaker, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof. 

CLAIM The ornamental design for a loudspeaker, substantially as shown and described. 